http://www.cocoachina.com/special/fornew.html

http://irising.me/2012/02/13493/

http://www.minwt.com/ios/4726.html

https://developer.apple.com/appstore/resources/approval/guidelines.html

http://www.cocoachina.com/bbs/read.php?tid=31964

https://developer.apple.com/library/ios/#documentation/iphone/conceptual/iphoneosprogrammingguide/App-RelatedResources/App-RelatedResources.html#//apple_ref/doc/uid/TP40007072-CH6-SW10